<template>
  <div class="login-container" :class="mode">
    <div class="forms-container">
      <div class="signin-signup">
        <form class="sign-in-form">
          <h2 class="title">登录</h2>
          <div class="input-field">
            <i class="i-fe:user"></i>
            <input type="text" placeholder="用户名" v-model="form.username" />
          </div>
          <div class="input-field">
            <i class="i-fe:lock"></i>
            <input type="password" placeholder="密码" v-model="form.password" />
          </div>
          <input value="立即登录" class="btn solid" @click="handleLogin" />
        </form>
        <form class="sign-up-form">
          <h2 class="title">注册</h2>
          <div class="input-field">
            <i class="i-fe:user"></i>
            <input type="text" placeholder="用户名" v-model="form.username" />
          </div>
          <div class="input-field">
            <i class="i-fe:lock"></i>
            <input type="password" placeholder="密码" v-model="form.password" />
          </div>
          <div class="input-field">
            <i class="i-fe:lock"></i>
            <input type="password" placeholder="再次输入密码" v-model="form.again_password" />
          </div>
          <div class="custom-radio">
            <input
              type="radio"
              id="radio1"
              value="seeker"
              class="hidden-radio"
              v-model="form.role"
            />
            <label for="radio1" class="radio-label">求职者</label>
            <input
              type="radio"
              id="radio2"
              value="recruiter"
              class="hidden-radio"
              v-model="form.role"
            />
            <label for="radio2" class="radio-label">招聘者</label>
          </div>
          <input class="btn" value="立即注册" @click="handleRegister" />
        </form>
      </div>
    </div>

    <div class="panels-container">
      <div class="panel left-panel">
        <div class="content">
          <h3>没有账号？</h3>
          <p>马上注册，就业招聘更灵活</p>
          <button class="btn transparent" id="sign-up-btn" @click="switchRegisterMode(true)">
            去注册
          </button>
        </div>
        <img src="@/assets/images/login.svg" class="image" alt="" />
      </div>
      <div class="panel right-panel">
        <div class="content">
          <h3>已有帐号？</h3>
          <p>立即登录已有帐号，开始找工作、招人才。</p>
          <button class="btn transparent" id="sign-in-btn" @click="switchRegisterMode(false)">
            去登录
          </button>
        </div>
        <img src="@/assets/images/register.svg" class="image" alt="" />
      </div>
    </div>
  </div>
</template>

<script setup>
import auth from '@/api/auth.js'
import { useUserStore, useAuthStore } from '@/store'
import { initUserAndPermissions } from '@/router'

const authStore = useAuthStore()
const userStore = useUserStore()
const router = useRouter()
const route = useRoute()
const title = import.meta.env.VITE_TITLE

const form = ref({
  username: null,
  password: null,
  again_password: null,
  role: null,
})

const mode = ref(false)

function switchRegisterMode(isRegister) {
  mode.value = isRegister ? 'sign-up-mode' : ''
}

//处理登录
async function handleLogin() {
  // 检查是否填写账号密码
  const { username, password } = form.value
  if (!username || !password) {
    return $message.error('请输入用户名和密码')
  }

  //异步访问服务器，检查账号密码是否正确
  $message.loading('正在验证，请稍后...', { key: 'login' })
  const { data } = await auth.login({ username, password })
  //如果登陆成功，返回了token，调用onLoginSuccess进行处理
  if (data) {
    onLoginSuccess(data)
  } else {
    $message.destroy('login')
  }
}

// 对成功登录的处理，获取账号信息和用户权限等
async function onLoginSuccess(data) {
  authStore.setToken(data)
  $message.loading('登录中...', { key: 'login' })
  try {
    await initUserAndPermissions()
    $message.destroy('login')
    $message.success('登录成功')
    if (userStore.role === 'seeker' && route.query.redirect) {
      const path = route.query.redirect
      delete route.query.redirect
      router.push({ path, query: route.query })
    } else {
      router.push('/profile')
    }
  } catch (error) {
    console.error(error)
    $message.destroy('login')
  }
}

//处理注册
async function handleRegister() {
  const { username, password, again_password, role } = form.value
  if (!username || !password) {
    return $message.error('请输入用户名和密码')
  }
  if (password !== again_password) {
    return $message.error('两次密码输入不一致')
  }
  if (role === '') {
    return $message.error('请选择用户角色')
  }
  $message.loading('正在提交申请，请稍后...', { key: 'register' })
  const { data } = await auth.register({ username, password, role })
  if (data) {
    $message.destroy('register')
    $message.success('注册成功，请登录')
    switchRegisterMode(false)
  } else {
    $message.destroy('register')
  }
}
</script>

<style scoped="scoped">
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body,
input {
  font-family: 'Poppins', sans-serif;
}

.login-container {
  position: relative;
  width: 100%;
  background-color: #fff;
  min-height: 100vh;
  overflow: hidden;
}

.forms-container {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
}

.signin-signup {
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  left: 75%;
  width: 35%;
  transition: 1s 0.7s ease-in-out;
  display: grid;
  grid-template-columns: 1fr;
  z-index: 5;
}

form {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 0rem 5rem;
  transition: all 0.2s 0.7s;
  overflow: hidden;
  grid-column: 1 / 2;
  grid-row: 1 / 2;
}

form.sign-up-form {
  opacity: 0;
  z-index: 1;
}

form.sign-in-form {
  z-index: 2;
}

.title {
  font-size: 2.2rem;
  color: #444;
  margin-bottom: 10px;
}

.input-field {
  max-width: 380px;
  width: 100%;
  background-color: #f0f0f0;
  margin: 10px 0;
  height: 55px;
  border-radius: 55px;
  display: grid;
  grid-template-columns: 15% 85%;
  padding: 0 0.4rem;
  position: relative;
}

.input-field i {
  text-align: center;
  margin: 16px 16px;
  line-height: 100px;
  color: #acacac;
  transition: 0.5s;
  font-size: 1.4rem;
}

.input-field input {
  background: none;
  outline: none;
  border: none;
  line-height: 1;
  font-weight: 600;
  font-size: 1.3rem;
  color: #333;
}

.input-field input::placeholder {
  color: #aaa;
  font-weight: 500;
}

.btn {
  width: 150px;
  background-color: #5995fd;
  border: none;
  outline: none;
  height: 49px;
  border-radius: 49px;
  color: #fff;
  text-transform: uppercase;
  font-weight: 600;
  font-size: 18px;
  text-align: center;
  margin: 10px 0;
  cursor: pointer;
  transition: 0.5s;
}

.btn:hover {
  background-color: #4d84e2;
}

.panels-container {
  position: absolute;
  height: 100%;
  width: 100%;
  top: 0;
  left: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
}

.login-container:before {
  content: '';
  position: absolute;
  height: 2000px;
  width: 2000px;
  top: -10%;
  right: 48%;
  transform: translateY(-50%);
  background-image: linear-gradient(-45deg, #4481eb 0%, #04befe 100%);
  transition: 1.8s ease-in-out;
  border-radius: 50%;
  z-index: 6;
}

.image {
  width: 100%;
  transition: transform 1.1s ease-in-out;
  transition-delay: 0.4s;
}

.panel {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: space-around;
  text-align: center;
  z-index: 6;
}

.left-panel {
  pointer-events: all;
  padding: 3rem 17% 2rem 12%;
}

.right-panel {
  pointer-events: none;
  padding: 3rem 12% 2rem 17%;
}

.panel .content {
  color: #fff;
  transition: transform 0.9s ease-in-out;
  transition-delay: 0.6s;
}

.panel h3 {
  font-weight: 600;
  line-height: 1;
  font-size: 1.5rem;
}

.panel p {
  font-size: 0.95rem;
  padding: 0.7rem 0;
}

.btn.transparent {
  margin: 0;
  background: none;
  border: 2px solid #fff;
  width: 130px;
  height: 41px;
  font-weight: 600;
  font-size: 0.8rem;
}

.right-panel .image,
.right-panel .content {
  transform: translateX(800px);
}

/* ANIMATION */

.login-container.sign-up-mode:before {
  transform: translate(100%, -50%);
  right: 52%;
}

.login-container.sign-up-mode .left-panel .image,
.login-container.sign-up-mode .left-panel .content {
  transform: translateX(-800px);
}

.login-container.sign-up-mode .signin-signup {
  left: 25%;
}

.login-container.sign-up-mode form.sign-up-form {
  opacity: 1;
  z-index: 2;
}

.login-container.sign-up-mode form.sign-in-form {
  opacity: 0;
  z-index: 1;
}

.login-container.sign-up-mode .right-panel .image,
.login-container.sign-up-mode .right-panel .content {
  transform: translateX(0%);
}

.login-container.sign-up-mode .left-panel {
  pointer-events: none;
}

.login-container.sign-up-mode .right-panel {
  pointer-events: all;
}

@media (max-width: 870px) {
  .login-container {
    min-height: 800px;
    height: 100vh;
  }

  .signin-signup {
    width: 100%;
    top: 95%;
    transform: translate(-50%, -100%);
    transition: 1s 0.8s ease-in-out;
  }

  .signin-signup,
  .login-container.sign-up-mode .signin-signup {
    left: 50%;
  }

  .panels-container {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr 2fr 1fr;
  }

  .panel {
    flex-direction: row;
    justify-content: space-around;
    align-items: center;
    padding: 2.5rem 8%;
    grid-column: 1 / 2;
  }

  .right-panel {
    grid-row: 3 / 4;
  }

  .left-panel {
    grid-row: 1 / 2;
  }

  .image {
    width: 200px;
    transition: transform 0.9s ease-in-out;
    transition-delay: 0.6s;
  }

  .panel .content {
    padding-right: 15%;
    transition: transform 0.9s ease-in-out;
    transition-delay: 0.8s;
  }

  .panel h3 {
    font-size: 1.2rem;
  }

  .panel p {
    font-size: 0.7rem;
    padding: 0.5rem 0;
  }

  .btn.transparent {
    width: 110px;
    height: 35px;
    font-size: 0.7rem;
  }

  .login-container:before {
    width: 1500px;
    height: 1500px;
    transform: translateX(-50%);
    left: 30%;
    bottom: 68%;
    right: initial;
    top: initial;
    transition: 2s ease-in-out;
  }

  .login-container.sign-up-mode:before {
    transform: translate(-50%, 100%);
    bottom: 32%;
    right: initial;
  }

  .login-container.sign-up-mode .left-panel .image,
  .login-container.sign-up-mode .left-panel .content {
    transform: translateY(-300px);
  }

  .login-container.sign-up-mode .right-panel .image,
  .login-container.sign-up-mode .right-panel .content {
    transform: translateY(0px);
  }

  .right-panel .image,
  .right-panel .content {
    transform: translateY(300px);
  }

  .login-container.sign-up-mode .signin-signup {
    top: 5%;
    transform: translate(-50%, 0);
  }
}

@media (max-width: 570px) {
  form {
    padding: 0 1.5rem;
  }

  .image {
    display: none;
  }

  .panel .content {
    padding: 0.5rem 1rem;
  }

  .login-container {
    padding: 1.5rem;
  }

  .login-container:before {
    bottom: 72%;
    left: 50%;
  }

  .login-container.sign-up-mode:before {
    bottom: 28%;
    left: 50%;
  }
}

.custom-radio {
  display: flex;
  align-items: center;
  justify-content: space-evenly;
  width: 100%;
  padding: 0 10%;
  max-width: 380px;
  height: 55px;
}

.hidden-radio {
  opacity: 0;
  position: absolute;
}

.radio-label {
  display: inline-block;
  position: relative;
  padding-left: 30px;
  cursor: pointer;
  font-size: 20px;
  color: #333;
  user-select: none;
}

.radio-label:before {
  content: '';
  position: absolute;
  left: 0;
  top: 5px;
  width: 20px;
  height: 20px;
  border: 2px solid #5995fd;
  border-radius: 50%;
  background-color: white;
  transition: background-color 0.3s;
}

.hidden-radio:checked + .radio-label:before {
  background-color: #5995fd;
}

.radio-label:after {
  content: '';
  position: absolute;
  left: 5px;
  top: 5px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: #5995fd;
  opacity: 0;
  transform: scale(0);
  transition: transform 0.3s, opacity 0.3s;
}

.hidden-radio:checked + .radio-label:after {
  transform: scale(1);
  opacity: 1;
}
</style>
